common.proto: Remove goma config from chroot.

BUG=chromium:1038386
TEST=generate.sh

Change-Id: Iac93061b3a5580491acfa8da8c35e78a73c2dd67
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/1988531
Commit-Queue: Alex Klein <saklein@chromium.org>
Tested-by: Alex Klein <saklein@chromium.org>
Reviewed-by: Michael Mortensen <mmortensen@google.com>
Reviewed-by: David Burger <dburger@chromium.org>
3 files changed